From 588c0734a9bf366aee9520cf6696520b6a823458 Mon Sep 17 00:00:00 2001
From: Lior Halphon <LIJI32@gmail.com>
Date: Fri, 27 Mar 2020 17:22:50 +0300
Subject: [PATCH] Fix a crash

---
 Cocoa/GBView.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cocoa/GBView.m b/Cocoa/GBView.m
index 0267344..0e52811 100644
--- a/Cocoa/GBView.m
+++ b/Cocoa/GBView.m
@@ -89,7 +89,7 @@
 - (GB_frame_blending_mode_t)frameBlendingMode
 {
     if (_frameBlendingMode == GB_FRAME_BLENDING_MODE_ACCURATE) {
-        if (GB_is_sgb(_gb)) {
+        if (!_gb || GB_is_sgb(_gb)) {
             return GB_FRAME_BLENDING_MODE_SIMPLE;
         }
         return GB_is_odd_frame(_gb)? GB_FRAME_BLENDING_MODE_ACCURATE_ODD : GB_FRAME_BLENDING_MODE_ACCURATE_EVEN;